Demon Progenitor Development Project

Some hidden place.

A large mansion, covering a vast area, is hidden deep in the mountains.

The magnificent wisteria blossoms, like a city wall, guard this residence belonging to Ubuyashiki.

In the central courtyard of the mansion.

Under the crisscrossing wooden corridors stood three men, each with a distinct posture and personality.

The leftmost one is the Ibe Rock Pillar.

His name Ainu means blade, and his gaze is heavy and solemn, making him appear to be a serious person.

Just like his name, Rock Pillar, he exudes a reliable and steady aura.

The upright man was as tall as an iron tower, with a robust physique and bulging muscles that made the Demon Slayer Corps uniform fit him perfectly. He was nearly two meters tall, and his gaze almost looked down at Ubuyashiki Takuya, who was sitting high on the platform.

This tall man, with brown skin, a high nose, and deep-set eyes, stood out from everyone else around him.

Its hair is thick and wavy, resembling a black-maned lion. A perfectly skinned bear skin is draped over its shoulder, making it look even more majestic. You can tell at a glance that it is an Ainu/Ezo (a minority group in Japan, now integrated into the Yamato people).

In the middle of the courtyard stood a silver-haired man, loosely dressed in a yukata embroidered with gold butterflies. He was handsome and dashing, and the smile on his lips was enough to make a young girl blush and her heart race. He was sitting with his legs crossed, which was quite improper.

Full of worldly air.

A man who would fit right into a modern host club.

This is Ginjiro, the Wind Pillar, a playboy.

The reliable Stone Pillar frowned deeply, looking at the Wind Pillar with extreme disapproval.

It's so frivolous!

And she's dressed in such a flashy way!

The sharp-eyed rock pillar even spotted the deep red mark on the wind pillar's collarbone.

Rock Pillar, Unmarried, Middle-Aged Man, Great Magician, Ibe: ...

The serious-minded Rock Pillar couldn't stand it, but since it was his companion, he could only keep his distance and avoid seeing it.

Noticing the gaze of the Stone Pillar, the Wind Pillar casually adjusted his yukata and made a nonchalant joke.

Wind Pillar: "Hey, Stone Pillar, wanna go to the entertainment district with me? It's a really relaxing place..."

Rock pillars: ...

The veins on the rock pillar's forehead bulged, and his pine-colored eyes stared at the extremely unrestrained wind pillar.

"Okay, older people aren't suited for this kind of sport that's popular with young people."

Seeing this reaction, the Wind Pillar, who was more than twenty years younger than the Stone Pillar, shrugged, turned around in a cocky manner, and directly faced the Stone Pillar with his buttocks.

It was full of contempt.

"you……"

Even the taciturn Stone Pillar couldn't hold back any longer.

He raised his hand, intending to take the heavy axe from his back and give this brat a good whack, to teach this arrogant brat a lesson!

"Ibe, calm down, Ginjiro is still young." A middle-aged man with long, fiery red and yellow hair, resembling an owl, smiled apologetically.

That familiar hairstyle belongs to Rengoku Shuntaro, the Flame Pillar.

Flame Pillar was quite helpless, secretly lamenting in his heart that these two were indeed at odds.

Qingchuan! Why aren't you here?

If Qingchuan, that kind old man, were here, he wouldn't have to face such immense pressure.

Flame Pillar greeted everyone with a smile on his face, but his heart was already filled with bitterness.

As Pillars, they have heavy responsibilities and spend most of their time traveling to various places to kill demons, leaving them with almost no time for emotional exchange.

The two pillars, Wind and Rock, have never met, partly because the Rock Pillar is too focused on killing demons, and the Wind Pillar is too inexperienced.

Having met both of them, Yanzhu knew that they were incompatible.

The relationship is not well-defined.

Now, Yanzhu felt that he had underestimated the difference in compatibility between the two.

The towering rock pillar held an axe, its eyes filled with murderous intent.

Ginjiro had already stood up, his hand resting on the Nichirin Blade at his waist, his expression a half-smile, but his mouth was full of sarcasm.

"Oh dear, he really is a stubborn old man. He can't even stand a few words from young people. He's surprisingly narrow-minded."

"Old man, do you kill ghosts by crushing them with your chest?"

As he spoke, Wind Pillar deliberately glanced at Rock Pillar's overly developed pectoral muscles.

Rock Pillar: (??へ??╬)

The two were locked in a fierce standoff, their eyes meeting with undisguised hostility.

The atmosphere in the courtyard instantly froze, and the servants standing to the side were terrified and dared not make a move.

The head servant of the Ubuyashiki was sweating profusely, wanting to say something but unable to utter a word. He could only cast hopeful glances at the only normal and good person present—Flame Pillar Rengoku Shuntaro.

Just as the Stone Pillar was about to erupt, the Flame Pillar spoke up to mediate.

"Alright, Ginjiro, calm down, this is serious business."

The Wind Pillar glanced at the Flame Pillar casually at first, his frivolous smile fading slightly, but only for a moment; the disdain in his eyes was still clearly visible.

However, under everyone's watchful eyes, he eventually slowly lowered his raised hand, and his aggressive aura dissipated.

At the same time, after being patiently persuaded by others, Yanzhu reluctantly put down the huge axe he was holding tightly.

Just then, as the tense atmosphere between the two had begun to ease, a loud and hearty voice, as clear as a bell, suddenly rang out without warning.

"Want to fight?"

Along with the sound, a figure dressed in gray clothes strode towards them like a dragon emerging from the sea or a tiger descending from the mountain.

This person seemed to possess an overwhelming aura capable of overcoming all obstacles, making him someone not to be underestimated. Upon closer inspection, the newcomer was none other than Raiju—Ikki!

Lei Zhu's clothes were very simple, without any fancy decorations. His face was extremely ordinary, just like an old farmer who worked hard in the fields all year round, and he was not conspicuous at all.

However, when the Flame Pillar saw the Lightning Pillar appear, he couldn't help but feel a splitting headache.

Because he knew this Raiju's personality too well, he knew that the other party was an absolute battle maniac.

Therefore, Yanzhu quickly said, "Ikki, no one here wants to duel. Please wait here quietly for the lord to arrive."

Faced with the Flame Pillar's stern words and resolute attitude, the Thunder Pillar couldn't help but click his tongue, a look of utter disinterest on his face.

Then, like a deflated balloon, he walked to the side with a bored expression and stood still, no longer saying a word.

Soon, the current leader of the Demon Slayer Corps, Ubuyashiki Takuya, arrived before the Pillars with the help of a servant.

Kneeling indoors, Ubuyashiki Takuya's face was thin and pale, covered with horrific scars. Despite this, his back was ramrod straight, as if no illness could defeat this fragile man. His expression was gentle and kind, conveying an aura of benevolence.

The meeting of the Central Committee of the Communist Party of China has begun!

PS: For now, these are the five pillars from the Warring States period, corresponding to the five basic breathing techniques.

Other derivative breathing techniques do not yet exist, after all, even the basic breathing technique is still in its infancy.

Without Yoriichi, the Demon Slayer Corps would have a hard time awakening their Demon Slayer Marks, and their fighting power would be inferior to that in the original story.

As for the pillars, none of them had surnames; they were all commoners.

The Demon Slayer Corps simply can't recruit nobles. Nobles crave fame and status, not to be unsung heroes.

The backgrounds of the three little ones, as well as their senior brother and Kanao, reveal that the Demon Slayer Corps generally recruits people from the lower rungs of society.

It's also possible that this is because nobles and wealthy merchants are less likely to be persecuted by ghosts.